Home / 36,861.12-50,869.11-20,728.74

Finding the Fourth Proportional to 36,861.12, 50,869.11 and 20,728.74

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Solution

The fourth proportional to 36,861.12, 50,869.11 and 20,728.74 is: 28,606.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,861.12 : 50,869.11 = 20,728.74 : x
  2. Step 2: Convert to fraction form
    36,861.12/50,869.11 = 20,728.74/x
  3. Step 3: Cross multiply
    36,861.12x = 50,869.11 × 20,728.74
  4. Step 4: Simplify right side
    36,861.12x = 1,054,452,555.22
  5. Step 5: Solve for x
    x = 1,054,452,555.22/36,861.12
  6. Step 6: Final answer
    x = 28,606.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.